@phdthesis{Eydam2021, author = {Eydam, Ulrich}, title = {Essays on Macroeconomics}, school = {Universit{\"a}t Potsdam}, pages = {161}, year = {2021}, abstract = {This dissertation consists of four self-contained papers. Each paper deals with a specific macroeconomic question. The first paper assesses the distributional implications of environmental policies from a general equilibrium macroeconomic perspective. I develop a New-Keynesian model with several types of uncertainties and frictions that incorporates liquidity constrained households. The model is calibrated to match the German economy and the numerical results show that climate policy instruments can be associated with regressive welfare effects. Furthermore, the analysis shows that these effects can be mitigated through an appropriate revenue recycling scheme. The second paper deals with short-run inequality dynamics within a real business cycle model. An empirical evaluation shows that the cyclical components of income inequality, the capital share and real GDP are correlated. We develop tractable representation of common inequality indicators in the general equilibrium model and show that the observed pattern is driven by innovations in the capital share. A Bayesian estimation of the model for the United States with data for the period 1948 to 2017 indicates that the model provides a reasonable fit for the data and successfully replicates the observed pattern of cyclical correlations. The third paper empirically examines the effects of banking regulation on the risk-relationship between sovereigns and banks. Based on a comprehensive data set of the European banking sector, we find that the implementation of the novel European banking regulation framework significantly contributed to a weakening of the risk-link between sovereigns and banks.The fourth paper empirically examines the role of institutional experience for institutional development in transition economies. To capture institutional experience, we develop a novel index, based on historical country records. The results of cross-sectional and panel estimations suggest that institutional experience helps to explain the divergent economic and institutional development in transition economies after the dissolution of the Soviet Union.}, language = {de} } @phdthesis{Diab2020, author = {Diab, Sarah}, title = {Der Einfluss von nachhaltigem Konsumbewusstsein auf Luxuskonsum unter Ber{\"u}cksichtigung verschiedener Moderatoren}, school = {Universit{\"a}t Potsdam}, pages = {259}, year = {2020}, abstract = {Das Ziel der vorliegenden Dissertation war es herauszuarbeiten, ob Nachhaltigkeitsbewusstsein den Konsum von Luxusg{\"u}tern beeinflusst und ob verschiedene Moderatoren einen Einfluss auf diesen Zusammenhang aus{\"u}ben. Das Nachhaltigkeitsbewusstsein wurde dabei basierend auf dem von Balderjahn et al. (2013) entwickelten Consciousness-for-sustainable-consumption-Modell durch die {\"o}kologische, soziale und die {\"o}konomische Nachhaltigkeit sowie erg{\"a}nzend durch das Tierschutzbewusstsein und Bewusstsein f{\"u}r lokale Produktion repr{\"a}sentiert. Als Moderatoren dienten das Streben nach sozialer Anerkennung und Prestige, Materialismus, Hedonismus und Traditionsbewusstsein. F{\"u}r die Aufdeckung m{\"o}glicher Zusammenh{\"a}nge zwischen den verschiedenen Dimensionen der Nachhaltigkeit und Luxuskonsum wurde eine Pr{\"a}diktorenanalyse durchgef{\"u}hrt. Moderatorenanalysen offenbarten zus{\"a}tzlich, ob ein Einfluss der verschiedenen Moderatoren auf die einzelnen Zusammenh{\"a}nge vorlag. Die Untersuchung zeigte, dass jeweils das Umweltbewusstsein, das Bewusstsein f{\"u}r gen{\"u}gsamen Konsum sowie das Bewusstsein f{\"u}r schuldenfreien Konsum als Teil der {\"o}konomischen Nachhaltigkeit und das Tierschutzbewusstsein einen Einfluss auf den Luxuskonsum aus{\"u}ben. Dar{\"u}ber hinaus konnten insgesamt sieben Einfl{\"u}sse durch die verschiedenen Moderatorvariablen auf die unterschiedlichen Zusammenh{\"a}nge zwischen den Nachhaltigkeitsdimensionen und Luxuskonsum aufgedeckt werden.}, language = {de} } @phdthesis{Henike2019, author = {Henike, Tassilo}, title = {Cognition and entrepreneurial business modelling}, school = {Universit{\"a}t Potsdam}, pages = {150}, year = {2019}, abstract = {Although the search for promising business models (BMs) is crucial for every profit-oriented venture, searching for those challenges in particular entrepreneurs. Limited resources, missing expertise and absolute uncertainty call entrepreneurs to strongly rely on their cognition in searching for a promising BM. However, as prior studies have examined cognitive search activities in isolation and neglected cognitive differences, explanations of how cognitive factors affect the BM process and outcomes are thus far insufficient. Addressing the overall question of how BMs emerge, the dissertation contributes to the cognitive perspective in entrepreneurship and BM research. Building on the dual-process theory from cognitive psychology, the micro-foundations of managerial decision-making and insights from framing literature, this dissertation explicitly investigates the impacts of different cognitive dispositions, search activities and visual framing effects. The core assumption is that cognitive dispositions and entrepreneurs' searches for information determine their BM decision-making. Furthermore, BM visualisations have become popular instruments with which to explain and manage today's complex business interactions. As they abstract from reality, they can also unfold impacts on the cognitive processes. This dissertation offers new explanations to these aspects and consists of three studies and one reflective article. The first study explores the impacts of differences in search activities and cognitive dispositions in a qualitative study with 70 entrepreneurship students. The second qualitative study explores the cognitive impacts of 103 BM visualisations. Third, a quantitative PLS-SEM experiment with 197 entrepreneurs illuminates the link between BM visualisations and cognition. The reflective article expresses the results' meaning for the teaching of BMs. In sum, the studies have resulted in a new theory of stabilising factors explaining how cognitive dispositions, search activities and visual framing determine entrepreneurs' decisions to imitate or deviate from existing BMs. It indicates that the decision depends on the context-dependent strategic orientation and cognitive disposition-dependent cognitive safety, that is the correspondence between characteristics of cognitive dispositions and search activities. Moreover, the studies identified five visual framing effects that are independent of cognitive dispositions and prior experiences. This provides fertile contributions to the literature on BM methods and how BM visualisations affect decisions. Most importantly, BM visualisations provide an emotionally stabilising function to rational entrepreneurs, a cognitively stabilising function to experiential participants and do not affect indifferent participants in general.}, language = {en} } @phdthesis{Halecker2016, author = {Halecker, Bastian}, title = {New perspective and insights on business model innovation using systems thinking and action case studies}, url = {http://nbn-resolving.de/urn:nbn:de:kobv:517-opus4-90404}, school = {Universit{\"a}t Potsdam}, pages = {IX, 239}, year = {2016}, abstract = {In recent years, entire industries and their participants have been affected by disruptive technologies, resulting in dramatic market changes and challenges to firm's business logic and thus their business models (BMs). Firms from mature industries are increasingly realizing that BMs that worked successfully for years have become insufficient to stay on track in today's "move fast and break things" economy. Firms must scrutinize the core logic that informs how they do business, which means exploring novel ways to engage customers and get them to pay. This can lead to a complete renewal of existing BMs or innovating completely new BMs. BMs have emerged as a popular object of research within the last decade. Despite the popularity of the BM, the theoretical and empirical foundation underlying the concept is still weak. In particular, the innovation process for BMs has been developed and implemented in firms, but understanding of the mechanisms behind it is still lacking. Business model innovation (BMI) is a complex and challenging management task that requires more than just novel ideas. Systematic studies to generate a better understanding of BMI and support incumbents with appropriate concepts to improve BMI development are in short supply. Further, there is a lack of knowledge about appropriate research practices for studying BMI and generating valid data sets in order to meet expectations in both practice and academia. This paper-based dissertation aims to contribute to research practice in the field of BM and BMI and foster better understanding of the BM concept and BMI processes in incumbent firms from mature industries. The overall dissertation presents three main results. The first result is a new perspective, or the systems thinking view, on the BM and BMI. With the systems thinking view, the fuzzy BM concept is clearly structured and a BMI framework is proposed. The second result is a new research strategy for studying BMI. After analyzing current research practice in the areas of BMs and BMI, it is obvious that there is a need for better research on BMs and BMI in terms of accuracy, transparency, and practical orientation. Thus, the action case study approach combined with abductive methodology is proposed and proven in the research setting of this thesis. The third result stems from three action case studies in incumbent firms from mature industries employed to study how BMI occurs in practice. The new insights and knowledge gained from the action case studies help to explain BMI in such industries and increase understanding of the core of these processes. By studying these issues, the articles complied in this thesis contribute conceptually and empirically to the recently consolidated but still increasing literature on the BM and BMI. The conclusions and implications made are intended to foster further research and improve managerial practices for achieving BMI in a dramatically changing business environment.}, language = {en} } @phdthesis{Eppinger2015, author = {Eppinger, Elisabeth}, title = {Patentpools}, pages = {384}, year = {2015}, abstract = {Elisabeth Eppinger erforscht in diesem Buch aktuelle Patentpools, ihre Eigenschaften und alternative L{\"o}sungen zur gemeinsamen Nutzung von Patenten. Patentpools haben das Potenzial, Patentblockaden zu l{\"o}sen und Innovationen zu f{\"o}rdern. Die Autorin diskutiert die Rolle von Patentkooperationen im Rahmen des strategischen Technologie- und Innovationsmanagements sowie der Innovationsf{\"o}rderung. Es wird gezeigt, welche strukturellen Faktoren, Motive und Charakteristika von Akteuren unterschiedliche Patentpools beg{\"u}nstigen}, language = {de} } @phdthesis{Kraft2018, author = {Kraft, Frederik}, title = {Be Creative, Now!}, url = {http://nbn-resolving.de/urn:nbn:de:kobv:517-opus4-414009}, school = {Universit{\"a}t Potsdam}, pages = {VII, 230}, year = {2018}, abstract = {Purpose - This thesis set out to explore, describe, and evaluate the reality behind the rhetoric of freedom and control in the context of creativity. The overarching subject is concerned with the relationship between creativity, freedom, and control, considering freedom is also seen as an element of control to manage creativity. Design/methodology/approach - In-depth qualitative data gathered from at two innovative start-ups. Two ethnographic studies were conducted. The data are based on participatory observations, interviews, and secondary sources, each of which included a three months field study and a total of 41 interviews from both organizations. Findings - The thesis provides explanations for the practice of freedom and the control of creativity within organizations and expands the existing theory of neo-normative control. The findings indicate that organizations use complex control systems that allow a high degree of freedom that paradoxically leads to more control. Freedom is a cover of control, which in turn leads to creativity. Covert control even results in the responsibility to be creative outside working hours. Practical implications - Organizations, which rely on creativity might use the results of this thesis. Positive workplace control of creativity provides both freedom and structure for creative work. While freedom leads to organizational members being more motivated and committing themselves more strongly to their and the organization's goals, and a specific structure also helps to provide the requirements for creativity. Originality/value - The thesis provides an insight into an approach to workplace control, which has mostly neglected in creativity research and proposes a modified concept of neo-normative control. It serves to provide a further understanding of freedom for creativity and to challenge the liberal claims of new control forms.}, language = {en} } @phdthesis{Schmeiss2019, author = {Schmeiss, Jessica}, title = {Designing value architectures for emerging technologies}, school = {Universit{\"a}t Potsdam}, pages = {135}, year = {2019}, abstract = {The business model has emerged as a construct to understand how firms drive innovation through emerging technologies. It is defined as the 'architecture of the firm's value creation, delivery and appropriation mechanisms' (Foss \& Saebi, 2018, p. 5). The architecture is characterized by complex functional interrelations between activities that are conducted by various actors, some within and some outside of the firm. In other words, a firm's value architecture is embedded within a wider system of actors that all contribute to the output of the value architecture. The question of what drives innovation within this system and how the firm can shape and navigate this innovation is an essential question within innova- tion management research. This dissertation is a compendium of four individual research articles that examine how the design of a firm's value architecture can fa- cilitate system-wide innovation in the context of Artificial Intelligence and Block- chain Technology. The first article studies how firms use Blockchain Technology to design a governance infrastructure that enables innovation within a platform ecosystem. The findings propose a framework for blockchain-enabled platform ecosystems that address the essential problem of opening the platform to allow for innovation while also ensuring that all actors get to capture their share of the value. The second article analyzes how German Artificial Intelligence startups design their business models. It identifies three distinct types of startup with dif- ferent underlying business models. The third article aims to understand the role of a firm's value architecture during the socio-technical transition process of Arti- ficial Intelligence. It identifies three distinct ways in which Artificial Intelligence startups create a shared understanding of the technology. The last article exam- ines how corporate venture capital units configure value-adding services for their venture portfolios. It derives a taxonomy of different corporate venture capital types, driven by different strategic motivations. Ultimately, this dissertation provides novel empirical insights into how a firm's value architecture determines it's role within a wider system of actors and how that role enables the firm to facilitate innovation. In that way, it contributes to both business model and innovation management literature.}, language = {en} } @phdthesis{Rose2019, author = {Rose, Robert}, title = {Leading for team-level creativity and innovation}, school = {Universit{\"a}t Potsdam}, pages = {177}, year = {2019}, language = {en} } @phdthesis{Partskhaladze2011, author = {Partskhaladze, Vakhtang}, title = {Development perspectives of small and medium businesses in Georgia}, url = {http://nbn-resolving.de/urn:nbn:de:kobv:517-opus-66397}, school = {Universit{\"a}t Potsdam}, year = {2011}, abstract = {After the collapse of the Soviet Union the former member states have started the transformation process. The transformation process from planned to market economy includes not only the adaptation of the economy to the new market rules but also the profound social and political transformation. For this reason such processes present huge challenges to affected societies. The transformational recession in Georgia was significantly enhanced by the civil war and by ethnic conflicts in Abkhazia and South Ossetia. During the ethnic conflicts and civil war the business and technical infrastructure were damaged and most of them were completely destroyed. Poverty and political instability were predominated. The trade relations with the member countries of Council of Mutual Economic Assistance (Comecon) were aborted. Moreover, the conflict in South Ossetia hampered the power supply from Russia and a conflict in Abkhazia, the production and trade with tea and citruses, which were major trade commodities at that time. In the beginning of 90-ies, Georgian government with the assistance of international organizations, such as International Monetary Fund and World Bank started to elaborate political and economical reforms. The reforms included several aspects, such as the transfer of public assets to private through privatization, the liberalization of domestic market and trade and the creation of market-oriented institutions. Because of lack in implementation neither economical nor political transformation has been achieved. For instance, by the begin of market oriented reforms the awareness of policy makers about the importance of entrepreneurship, in particular small and medium ones for the economy was low. The absence of previous experience prevented the elaboration of appropriate policy instruments and methods for the development of competitive market economy. The stimulation of private sector has been generally neglected. This had a severe affect on political, social and economical problems, which still hampers the development of middle class in Georgia. The presented research indicates that productive entrepreneurship is a driving force of an economy. The entrepreneurial activities on the one hand facilitate the resource allocation and on the other through the development of new products and services urge the competition. Furthermore, they contribute to technological improvements through innovation, create jobs and thus boost the economic and social development of a particular region or country. However, it is important that the legal and institutional framework is appropriately settled. Unlike mature market economies, Georgia is not characterized by well-developed sector of small and medium sized businesses. Most existing SMEs are operating in local markets and predominantly in the shadow economy. It is also noteworthy that small business in Georgia belongs to so called "mom and pop" rather than to innovative, growth oriented businesses. They are mostly engaged in trade and craft. In addition of poor performance, the business activity of SMEs is very centralized. The vast majority of them are operating in the capital Tbilisi. The poor performance of small and medium businesses in Georgia and their negligence by the market forces is among others due to the armed conflicts and state failure. As in the beginning of transformation process, down to the present day, the state fails to provide necessary conditions, such as rule of law, the protection of property rights and competition, transparent and uncorrupted public administration. The result is the weak middle class. The weak middle class by itself has a negative impact on economic development and democratization process in Georgia.}, language = {de} } @phdthesis{Beuchel2015, author = {Beuchel, Max}, title = {Bezugsgruppen­einfluss auf Markenwahrnehmung und Selbstkongruenz}, series = {Studien zum Konsu­menten­verhalten ; 66}, journal = {Studien zum Konsu­menten­verhalten ; 66}, publisher = {Kovac}, address = {Hamburg}, isbn = {978-3-8300-8675-8}, school = {Universit{\"a}t Potsdam}, pages = {556}, year = {2015}, abstract = {Symbolische Bedeutungen sind f{\"u}r den Erfolg von Marken heutzutage unerl{\"a}sslich, denn Produkte lassen sich in postmodernen Konsum­gesellschaften meist nicht mehr ausschließlich durch funktionale Leistungsunterschiede vom Wettbewerb differenzieren. Vielmehr sollten Marken zudem {\"u}ber einen signifikanten Zusatznutzen verf{\"u}gen, welcher grunds{\"a}tzlich sozialpsychologischer Natur ist. Dieser in der Marken­pers{\"o}nlichkeit verdichtete symbolische Kern spricht die zentralen menschlichen Bed{\"u}rfnisse nach Selbstdefinition und Selbstausdruck an, da Individuen sich als „soziale Tiere" grundlegend {\"u}ber die Zugeh{\"o}rigkeit zu sozialen Gruppen definieren. Einstellungen relevanter Bezugspersonen zum eigenen Selbstbild sind fundamental f{\"u}r die pers{\"o}nliche Standort­bestimmung. Genauso leiten Konsumenten symbolische Marken­bedeutungen von ihren Bezugsgruppen ab. Individuen evaluieren demnach permanent, inwiefern die wahrgenommene Markenpers{\"o}nlichkeit zum aktuellen bzw. angestrebten Selbstkonzept passt. Diese dargestellten Ph{\"a}nomene unterliegen dem kulturellen Einfluss der jeweiligen Gesellschaft, in der sie sich herausbilden. Die symbolischen Bedeutungen von Selbstbildern und Marken formen sich also zwischen Kulturen bspw. unter unterschiedlich stark geartetem sozialem Einfluss. Die Untersuchung geht demnach der Frage auf den Grund, inwiefern die soziale Umgebung Einfluss auf die Wahrnehmung symbolischer Markenaspekte und deren wahrgenommener Kongruenz zum Selbstkonzept von Konsumenten aus{\"u}bt. Dar{\"u}ber hinaus eruiert der Verfasser intensiv, ob und in welchem Umfang die Empf{\"a}nglichkeit f{\"u}r die verschiedenen Facetten sozialen Einflusses von der Enkulturation des Konsumenten abh{\"a}ngt. Es werden somit Forderungen aus Marketing- und Konsumenten­verhaltens­forschung adressiert, wonach die sozialen sowie die kulturellen Einflusskomponenten st{\"a}rker zu ber{\"u}cksichtigen sind, um ein vollst{\"a}ndigeres Bild von Konsum­entscheidungen zu erlangen. Die zahlreichen theoretischen und empirischen Erkenntnisse der Studie weisen auf wichtige Implikationen f{\"u}r die intra- und interkulturelle Segmentierung von Zielgruppen hin. Empfehlungen f{\"u}r die strategische Positionierung von symbolischen Markenkernen und deren Kommunikation werden ebenfalls geliefert.}, language = {de} }